We review the performance of different
technologies published in
a recent patent by Ji and Bagajewicz (2007) aimed at increasing distillates
yield. We also present different implementation schemes composed of
various combinations of the two technologies and compare both distillate
yield and energy expenditure to the current conventional distillation
process for light, intermediate, and heavy crudes. We demonstrate
sizable increases of yield as well as significant profit. The criteria
for analysis were yield, energy savings, gross margin, and potential
extra revenue for each scheme. While the comparisons are made on the
basis of grassroots design, we took one technology and assumed a
retrofit of an existing column via simple change in the heat recovery,
to assess the extra investment needed.
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